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mmc: sdhci: specify maximum discard timeout
[pandora-kernel.git]
/
drivers
/
mmc
/
host
/
sdhci.c
diff --git
a/drivers/mmc/host/sdhci.c
b/drivers/mmc/host/sdhci.c
index
aa25eae
..
c31a334
100644
(file)
--- a/
drivers/mmc/host/sdhci.c
+++ b/
drivers/mmc/host/sdhci.c
@@
-2509,6
+2509,11
@@
int sdhci_add_host(struct sdhci_host *host)
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
+ if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)
+ mmc->max_discard_to = (1 << 27) / (mmc->f_max / 1000);
+ else
+ mmc->max_discard_to = (1 << 27) / host->timeout_clk;
+
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12)
mmc->caps |= MMC_CAP_SDIO_IRQ | MMC_CAP_ERASE | MMC_CAP_CMD23;
if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12)